body,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,li,dt,dd{
    /* 默认有边距，都要清除 */
    margin: 0;
    padding: 0;
    /*字体设置*/
    font-size: 16px;
    font-family: "Microsoft Yahei",sans-serif;
    font-weight: 300;
    /* 去掉列表的原点 */
    list-style: none;
    /* 默认鼠标 */
    cursor: default;
}
 
/*可选*/
html,body{
    width: 100%;
    height: 100%;

}
 
/*行内块元素*/
/* input,img{
    margin: 0;
    padding: 0;
    /* border: 0 none; */
    /* outline-style: none;
    vertical-align: bottom; 
} */
  
/*行内元素*/
a,a:active,a:visited{
    /*下划线和颜色*/
    text-decoration: none;
    color: #ccc;
}
 
a:hover{
    color:#333;
}
 
textarea{
    /* 边框清零 */
    border:none;
    /* 轮廓线清零 */
    outline: none;
    /* 防止文本域被随意拖拽 */
    resize: none;
}
 
i{
    /*文字样式*/
    font-style: normal; 
}
 
table{
    /*边框合并*/
    border-collapse:collapse;
    border-spacing:0;
}
 
 
/* 使用伪元素清除浮动 */
.clearfix::before,
.clearfix::after{
    content:"";
    height: 0;
    line-height: 0;
    display: block;
    visibility: none;
    clear: both;
}
 
.clearfix {
    *zoom: 1;
}
 
/* 版心*/
.w{
    width: 1883px;
    margin: 0 auto;
}
 

.container{
    width: 100%;

}
th{
    font-size: 16px;
    font-weight: normal;
}
td{
    text-align: center;
    font-size: 16px;
}
table{
width:100%;
}
tr{
    width: 100%;
}
.input{
    text-align: center;
}
input{
    width: 400px;
    height: 40px;
    padding: 5px;
    box-sizing: border-box;
    -web-kit-appearance:none;
    -moz-appearance: none;
    border-radius: 4px;
    outline: 0;
    font-size: 16px;
}
button{
height: 40px;
width: 100px;

outline: none;
color: #fff;
border-radius: 5px;
border: none;
background-color: gray;
margin:0 20px 20px 0;

overflow: hidden;
transition: all .3s;
}
button:hover{
    background-color: rgb(240, 232, 161);
    color: black;
}
tr{
    transition: all .3s;
    cursor: pointer;
}
tr:hover{
    background-color: rgb(240, 232, 161)!important;
}